Astronaut Scott Kelly Now Has Different DNA Than His Identical Twin Brother After One Year In Space By: CBS Local News

NASA Twin Study results out Astronaut Kelly now has a different DNA By: WION

Astronaut Scott Kelly One Year In Space By: TDC

Touchdown Astronaut Scott Kelly returns to Earth after almost a year in space By: Guardian News

Raw Astronaut Scott Kelly Back on Earth By: AP Archive

Astronaut Scott Kelly returning to Earth By: CBC News

Astronaut Scott Kelly's gene response changed in space By: CBS News

Astronaut Scott Kelly prepares to leave space By: CBS News